Which of these resulted from the election of pro-communist leaders in guatemala and iran in the early-1950s?

imposition of economic sanctions against those two countries
placement of u. s. nuclear missiles in latin america and the middle east
use of the cia to bring about a change in government in those two countries
announcement of a new policy aimed at containing the spread of communism

answer:

use of the cia to bring about a change in government in those two countries

explanation:

in the 1950's, guatemala and iran took a turn in their politics and became pro-communist. this angered the united states, and in order to stop this process, and remove the communism from these two nations, cia was employed. cia was used in order to shake the governments by using propaganda, organizing protests, training and militarizing some of the population that was opposing that. this resulted in overthrows in the governments, organized by the united states, but the governments that were set in place by the united states didn't lasted long, so the effort was not really a long term success.

relations between the soviet union and the united states were driven by a complex interplay of ideological, political, and economic factors, which led to shifts between cautious cooperation and often bitter superpower rivalry over the years. the distinct differences in the political systems of the two countries often prevented them from reaching a mutual understanding on key policy issues and even, as in the case of the cuban missile crisis, brought them to the brink of war.

the united states government was initially hostile to the soviet leaders for taking russia out of world war i and was opposed to a state ideologically based on communism. although the united states embarked on a famine relief program in the soviet union in the early 1920s and american businessmen established commercial ties there during the period of the new economic policy (1921–29), the two countries did not establish diplomatic relations until 1933. by that time, the totalitarian nature of joseph stalin's regime presented an insurmountable obstacle to friendly relations with the west. although world war ii brought the two countries into alliance, based on the common aim of defeating nazi germany, the soviet union's aggressive, antidemocratic policy toward eastern europe had created tensions even before the war ended.

i believe the answer is a